<?php

final class PhabricatorDifferentialApplication extends PhabricatorApplication {

  public function getBaseURI() {
    return '/differential/';
  }

  public function getName() {
    return pht('Differential');
  }

  public function getShortDescription() {
    return pht('Review Code');
  }

  public function getIcon() {
    return 'fa-cog';
  }

  public function isPinnedByDefault(PhabricatorUser $viewer) {
    return true;
  }

  public function getHelpDocumentationArticles(PhabricatorUser $viewer) {
    return array(
      array(
        'name' => pht('Differential User Guide'),
        'href' => PhabricatorEnv::getDoclink('Differential User Guide'),
      ),
    );
  }

  public function getFactObjectsForAnalysis() {
    return array(
      new DifferentialRevision(),
    );
  }

  public function getTitleGlyph() {
    return "\xE2\x9A\x99";
  }

  public function getEventListeners() {
    return array(
      new DifferentialActionMenuEventListener(),
      new DifferentialLandingActionMenuEventListener(),
    );
  }

  public function getOverview() {
    return pht(
      'Differential is a **code review application** which allows '.
      'engineers to review, discuss and approve changes to software.');
  }

  public function getRoutes() {
    return array(
      '/D(?P<id>[1-9]\d*)' => 'DifferentialRevisionViewController',
      '/differential/' => array(
        '(?:query/(?P<queryKey>[^/]+)/)?'
          => 'DifferentialRevisionListController',
        'diff/' => array(
          '(?P<id>[1-9]\d*)/' => 'DifferentialDiffViewController',
          'create/' => 'DifferentialDiffCreateController',
        ),
        'changeset/' => 'DifferentialChangesetViewController',
        'revision/' => array(
          'edit/(?:(?P<id>[1-9]\d*)/)?'
            => 'DifferentialRevisionEditController',
          'land/(?:(?P<id>[1-9]\d*))/(?P<strategy>[^/]+)/'
            => 'DifferentialRevisionLandController',
          'closedetails/(?P<phid>[^/]+)/'
            => 'DifferentialRevisionCloseDetailsController',
          'update/(?P<revisionID>[1-9]\d*)/'
            => 'DifferentialDiffCreateController',
          'operation/(?P<id>[1-9]\d*)/'
            => 'DifferentialRevisionOperationController',
        ),
        'comment/' => array(
          'preview/(?P<id>[1-9]\d*)/' => 'DifferentialCommentPreviewController',
          'save/(?P<id>[1-9]\d*)/' => 'DifferentialCommentSaveController',
          'inline/' => array(
            'preview/(?P<id>[1-9]\d*)/'
              => 'DifferentialInlineCommentPreviewController',
            'edit/(?P<id>[1-9]\d*)/'
              => 'DifferentialInlineCommentEditController',
          ),
        ),
        'preview/' => 'PhabricatorMarkupPreviewController',
      ),
    );
  }

  public function getApplicationOrder() {
    return 0.100;
  }

  public function getRemarkupRules() {
    return array(
      new DifferentialRemarkupRule(),
    );
  }

  public function loadStatus(PhabricatorUser $user) {
    $limit = self::MAX_STATUS_ITEMS;

    $revisions = id(new DifferentialRevisionQuery())
      ->setViewer($user)
      ->withResponsibleUsers(array($user->getPHID()))
      ->withStatus(DifferentialRevisionQuery::STATUS_OPEN)
      ->needRelationships(true)
      ->setLimit($limit)
      ->execute();

    $status = array();
    if (count($revisions) >= $limit) {
      $all_count = count($revisions);
      $all_count_str = pht(
        '%s+ Active Review(s)',
        new PhutilNumber($limit - 1));

      $type = PhabricatorApplicationStatusView::TYPE_WARNING;
      $status[] = id(new PhabricatorApplicationStatusView())
        ->setType($type)
        ->setText($all_count_str)
        ->setCount($all_count);
    } else {
      list($blocking, $active, $waiting) =
        DifferentialRevisionQuery::splitResponsible(
          $revisions,
          array($user->getPHID()));

      $blocking = count($blocking);
      $blocking_str = pht(
        '%s Review(s) Blocking Others',
        new PhutilNumber($blocking));

      $type = PhabricatorApplicationStatusView::TYPE_NEEDS_ATTENTION;
      $status[] = id(new PhabricatorApplicationStatusView())
        ->setType($type)
        ->setText($blocking_str)
        ->setCount($blocking);

      $active = count($active);
      $active_str = pht(
        '%s Review(s) Need Attention',
        new PhutilNumber($active));

      $type = PhabricatorApplicationStatusView::TYPE_WARNING;
      $status[] = id(new PhabricatorApplicationStatusView())
        ->setType($type)
        ->setText($active_str)
        ->setCount($active);

      $waiting = count($waiting);
      $waiting_str = pht(
        '%s Review(s) Waiting on Others',
        new PhutilNumber($waiting));

      $type = PhabricatorApplicationStatusView::TYPE_INFO;
      $status[] = id(new PhabricatorApplicationStatusView())
        ->setType($type)
        ->setText($waiting_str)
        ->setCount($waiting);
    }

    return $status;
  }

  public function supportsEmailIntegration() {
    return true;
  }

  public function getAppEmailBlurb() {
    return pht(
      'Send email to these addresses to create revisions. The body of the '.
      'message and / or one or more attachments should be the output of a '.
      '"diff" command. %s',
      phutil_tag(
        'a',
        array(
          'href' => $this->getInboundEmailSupportLink(),
        ),
        pht('Learn More')));
  }

  protected function getCustomCapabilities() {
    return array(
      DifferentialDefaultViewCapability::CAPABILITY => array(
        'caption' => pht('Default view policy for newly created revisions.'),
        'template' => DifferentialRevisionPHIDType::TYPECONST,
        'capability' => PhabricatorPolicyCapability::CAN_VIEW,
      ),
    );
  }

  public function getMailCommandObjects() {
    return array(
      'revision' => array(
        'name' => pht('Email Commands: Revisions'),
        'header' => pht('Interacting with Differential Revisions'),
        'object' => new DifferentialRevision(),
        'summary' => pht(
          'This page documents the commands you can use to interact with '.
          'revisions in Differential.'),
      ),
    );
  }

  public function getApplicationSearchDocumentTypes() {
    return array(
      DifferentialRevisionPHIDType::TYPECONST,
    );
  }

}
